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Piszter G, Bálint Z, Kertész K, Szatmári L, Sramkó G, Biró LP. Breeding Polyommatus icarus Serves as a Large-Scale and Environmentally Friendly Source of Precisely Tuned Photonic Nanoarchitectures. INSECTS 2023; 14:716. [PMID: 37623426 PMCID: PMC10455773 DOI: 10.3390/insects14080716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/11/2023] [Accepted: 08/15/2023] [Indexed: 08/26/2023]
Abstract
The colour of the butterfly wing serves as an important sexual and species-specific signal. Some species produce structural colouration by developing wing scales with photonic nanoarchitectures. These nanostructures are highly conservative, allowing only a ±10 nm peak wavelength deviation in the reflectance spectra of the blue structural colour in natural Common Blue (Polyommatus icarus) populations. They are promising templates of future artificial photonic materials and can be used in potential applications, too. In this work, we present methodology and infrastructure for breeding laboratory populations of Common Blue as a cost-effective and environmentally friendly source of nanostructures. Our technology enables the production of approximately 7500 wing samples, equivalent to 0.5-1 m2 of photonic nanoarchitecture surface within a year in a single custom-made insectarium. To ascertain the reliability of this method, we compared reflectance properties between different populations from distant geographic locations. We also provide genetic background of these populations using microsatellite genotyping. The laboratory population showed genetic erosion, but even after four generations of inbreeding, only minimal shifts in the structural colouration were observed, indicating that wild Common Blue populations may be a reliable source of raw material for photonic surfaces.
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Affiliation(s)
- Gábor Piszter
- Centre for Energy Research, Institute of Technical Physics and Materials Science, Konkoly-Thege Miklós út 29-33, H-1121 Budapest, Hungary
| | - Zsolt Bálint
- Centre for Energy Research, Institute of Technical Physics and Materials Science, Konkoly-Thege Miklós út 29-33, H-1121 Budapest, Hungary
- Hungarian Natural History Museum, Baross utca 13, H-1121 Budapest, Hungary
| | - Krisztián Kertész
- Centre for Energy Research, Institute of Technical Physics and Materials Science, Konkoly-Thege Miklós út 29-33, H-1121 Budapest, Hungary
| | - Lajos Szatmári
- Hungarian Natural History Museum, Baross utca 13, H-1121 Budapest, Hungary
- ELKH-DE Conservation Biology Research Group, Egyetem tér 1, H-4032 Debrecen, Hungary
| | - Gábor Sramkó
- ELKH-DE Conservation Biology Research Group, Egyetem tér 1, H-4032 Debrecen, Hungary
- Department of Botany, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary
| | - László Péter Biró
- Centre for Energy Research, Institute of Technical Physics and Materials Science, Konkoly-Thege Miklós út 29-33, H-1121 Budapest, Hungary
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Piszter G, Nagy G, Kertész K, Baji Z, Kovács K, Bálint Z, Horváth ZE, Pap JS, Biró LP. Investigating the Effect of Reflectance Tuning on Photocatalytic Dye Degradation with Biotemplated ZnO Photonic Nanoarchitectures Based on Morpho Butterfly Wings. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16093584. [PMID: 37176465 PMCID: PMC10179795 DOI: 10.3390/ma16093584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/28/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023]
Abstract
Photonic nanoarchitectures of butterfly wings can serve as biotemplates to prepare semiconductor thin films of ZnO by atomic layer deposition. The resulting biotemplated ZnO nanoarchitecture preserves the structural and optical properties of the natural system, while it will also have the features of the functional material. The ZnO-coated wings can be used directly in heterogeneous photocatalysis to decompose pollutants dissolved in water upon visible light illumination. We used the photonic nanoarchitectures of different Morpho butterflies with different structural colors as biotemplates and examined the dependence of decomposition rates of methyl orange and rhodamine B dyes on the structural color of the biotemplates and the thickness of the ZnO coating. Using methyl orange, we measured a ten-fold increase in photodegradation rate when the 20 nm ZnO-coated wings were compared to similarly coated glass substrates. Using rhodamine B, a saturating relationship was found between the degradation rate and the thickness of the deposited ZnO on butterfly wings. We concluded that the enhancement of the catalytic efficiency can be attributed to the slow light effect due to a spectral overlap between the ZnO-coated Morpho butterfly wings reflectance with the absorption band of dyes, thus the photocatalytic performance could be changed by the tuning of the structural color of the butterfly biotemplates. The photodegradation mechanism of the dyes was investigated by liquid chromatography-mass spectroscopy.
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Affiliation(s)
- Gábor Piszter
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege Miklos St., 1121 Budapest, Hungary
| | - Gergely Nagy
- Surface Chemistry and Catalysis Department, Institute for Energy Security and Environmental Safety, Centre for Energy Research, 29-33 Konkoly Thege Miklos St., 1121 Budapest, Hungary
| | - Krisztián Kertész
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege Miklos St., 1121 Budapest, Hungary
| | - Zsófia Baji
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege Miklos St., 1121 Budapest, Hungary
| | - Krisztina Kovács
- Radiation Chemistry Department, Institute for Energy Security and Environmental Safety, Centre for Energy Research, 29-33 Konkoly Thege Miklos St., 1121 Budapest, Hungary
| | - Zsolt Bálint
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege Miklos St., 1121 Budapest, Hungary
- Department of Zoology, Hungarian Natural History Museum, 13 Baross St., 1088 Budapest, Hungary
| | - Zsolt Endre Horváth
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege Miklos St., 1121 Budapest, Hungary
| | - József Sándor Pap
- Surface Chemistry and Catalysis Department, Institute for Energy Security and Environmental Safety, Centre for Energy Research, 29-33 Konkoly Thege Miklos St., 1121 Budapest, Hungary
| | - László Péter Biró
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege Miklos St., 1121 Budapest, Hungary
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3
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Grating Assembly Dissected in Periodic Bands of Poly (Butylene Adipate) Modulated with Poly (Ethylene Oxide). Polymers (Basel) 2022; 14:polym14214781. [DOI: 10.3390/polym14214781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
Polarized optical microscopy (POM), scanning electron microscopy (SEM), and synchrotron microbeam wide-angle X-ray diffraction (WAXD) were used to investigate the mechanisms of periodic assemblies leading to ring-banded crystal aggregates with light-grating capacity for iridescence in poly (1,4-butylene adipate) (PBA) modulated with poly (ethylene oxide) (PEO). A critical finding is that the PBA crystal assembly on the top surface and in the interior constitutes a grating architecture, with a cross-bar pitch equaling the inter-band spacing. The inner lamellae are arranged perpendicularly to the substrate under the ridge region, where they scroll, bend, and twist 90° to branch out newly spawned lamellae to form the parallel lamellae under the valley region. The cross-hatch grating with a fixed inter-spacing in the PBA aggregated crystals is proved in this work to perfectly act as light-interference entities capable of performing iridescence functions, which can be compared to those widely seen in many of nature’s organic bio-species or inorganic minerals such as opals. This is a novel breakthrough finding for PBA or similar polymers, such as photonic crystals, especially when the crystalline morphology could be custom-made and modulated with a second constituent.
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Gayle AJ, Lenef JD, Huff PA, Wang J, Fu F, Dadheech G, Dasgupta NP. Visible-Light-Driven Photocatalysts for Self-Cleaning Transparent Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:11641-11649. [PMID: 36095297 DOI: 10.1021/acs.langmuir.2c01455] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Highly transparent photocatalytic self-cleaning surfaces capable of harvesting near-visible (365-430 nm) photons were synthesized and characterized. This helps to address a current research gap in self-cleaning surfaces, in which photocatalytic coatings that exhibit activity at wavelengths longer than ultraviolet (UV) generally have poor optical transparency, because of broadband scattering and the attenuation of visible light. In this work, the wavelength-dependent photocatalytic activity of Pt-modified TiO2 (Pt-TiO2) particles was characterized, which exhibited activity for wavelengths up to 430 nm. Pt-TiO2 nanoparticles were embedded in a mesoporous SiO2 sol-gel matrix, forming a superhydrophilic surface that allowed for water adsorption and formation of reactive oxide species upon illumination, resulting in the removal of organic surface contaminants. These self-cleaning surfaces only interact strongly with near-visible light (∼365-430 nm), as characterized by photocatalytic self-cleaning tests. Broadband visible transparency was preserved by generating a morphology composed of small clusters of Pt-TiO2 surrounded by a matrix of SiO2, which limited diffuse visible light scattering and attenuation. The wavelength-dependent self-cleaning rate by the films was quantified using stearic acid degradation under both monochromatic and AM1.5G spectral illumination. By varying the film morphology, the average transmittance relative to bare glass can be tuned from ∼93%-99%, and the self-cleaning rate can be adjusted by more than an order of magnitude. Overall, the ability to utilize photocatalysts with tunable visible light activity, while maintaining broadband transparency, can enable the use of photocatalytic self-cleaning surfaces for applications where UV illumination is limited, such as touchscreen displays.
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Affiliation(s)
- Andrew J Gayle
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Julia D Lenef
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Park A Huff
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Jing Wang
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Fenghe Fu
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Gayatri Dadheech
- General Motors Technical Center, Warren, Michigan 48093, United States
| | - Neil P Dasgupta
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
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5
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Polymorphism and grating assembly with unique iridescence features in periodically banded Poly(ethylene adipate). POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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6
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Rorem BA, Cho TH, Farjam N, Lenef JD, Barton K, Dasgupta NP, Guo LJ. Integrating Structural Colors with Additive Manufacturing Using Atomic Layer Deposition. ACS APPLIED MATERIALS & INTERFACES 2022; 14:31099-31108. [PMID: 35786830 DOI: 10.1021/acsami.2c05940] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
We demonstrate tunable structural color patterns that span the visible spectrum using atomic layer deposition (ALD). Asymmetric metal-dielectric-metal structures were sequentially deposited with nickel, zinc oxide, and a thin copper layer to form an optical cavity. The color response was precisely adjusted by tuning the zinc oxide (ZnO) thickness using ALD, which was consistent with model predictions. Owing to the conformal nature of ALD, this allows for uniform and tunable coloration of non-planar three-dimensional (3D) objects, as exemplified by adding color to 3D-printed parts produced by metal additive manufacturing. Proper choice of inorganic layered structures and materials allows the structural color to be stable at elevated temperatures, in contrast to traditional paints. To print multiple colors on a single sample, polymer inhibitors were patterned in a desired geometry using electrohydrodynamic jet (e-jet) printing, followed by area-selective ALD in the unpassivated regions. The ability to achieve 3D color printing, both at the micro- and macroscales, provides a new pathway to tune the optical and aesthetic properties during additive manufacturing.
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Affiliation(s)
- Benjamin A Rorem
- Deparment of Applied Physics, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Tae H Cho
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Nazanin Farjam
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Julia D Lenef
- Department of Materials Science & Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Kira Barton
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Neil P Dasgupta
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Materials Science & Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - L Jay Guo
- Deparment of Applied Physics, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan 48109, United States
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7
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Piszter G, Kertész K, Nagy G, Baji Z, Endre Horváth Z, Bálint Z, Sándor Pap J, Péter Biró L. Spectral tuning of biotemplated ZnO photonic nanoarchitectures for photocatalytic applications. ROYAL SOCIETY OPEN SCIENCE 2022. [PMID: 35845847 DOI: 10.6084/m9.figshare.c.6066566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
The photocatalytic activity of a flat surface can be increased by micro- and nanostructuring the interface to increase the area of the contact surface between the photocatalyst and the solute, and moreover, to optimize charge carrier transfer. Further enhancement can be achieved by using photonic nanostructures, which exhibit photonic band gap (PBG). Structurally coloured butterfly wings offer a rich 'library' of PBGs in the visible spectral range which can be used as naturally tuned sample sets for biotemplating. We used conformal atomic layer deposition of ZnO on the wings of various butterfly species (Arhopala asopia, Hypochrysops polycletus, Morpho sulkowskyi, Polyommatus icarus) possessing structural colour extending from the near UV to the blue wavelength range, to test the effects arising from the nanostructured surfaces and from the presence of different types of PBGs. Aqueous solutions of rhodamine B were used to test the enhancement of photocatalytic activity that was found for all ZnO-coated butterfly wings. The best reaction rate of decomposing rhodamine B when illuminated with visible light was found in 15 nm ZnO coated M. sulkowskyi wing, the reflectance of which had the highest overlap with the absorption band of the dye and had the highest reflectance intensity.
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Affiliation(s)
- Gábor Piszter
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Krisztián Kertész
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Gergely Nagy
- Institute for Energy Security and Environmental Safety, Surface Chemistry and Catalysis Department, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Zsófia Baji
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Zsolt Endre Horváth
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Zsolt Bálint
- Department of Zoology, Hungarian Natural History Museum, 13 Baross St., 1088 Budapest, Hungary
| | - József Sándor Pap
- Institute for Energy Security and Environmental Safety, Surface Chemistry and Catalysis Department, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - László Péter Biró
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
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8
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Piszter G, Kertész K, Nagy G, Baji Z, Endre Horváth Z, Bálint Z, Sándor Pap J, Péter Biró L. Spectral tuning of biotemplated ZnO photonic nanoarchitectures for photocatalytic applications. ROYAL SOCIETY OPEN SCIENCE 2022; 9:220090. [PMID: 35845847 PMCID: PMC9277245 DOI: 10.1098/rsos.220090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 06/14/2022] [Indexed: 05/16/2023]
Abstract
The photocatalytic activity of a flat surface can be increased by micro- and nanostructuring the interface to increase the area of the contact surface between the photocatalyst and the solute, and moreover, to optimize charge carrier transfer. Further enhancement can be achieved by using photonic nanostructures, which exhibit photonic band gap (PBG). Structurally coloured butterfly wings offer a rich 'library' of PBGs in the visible spectral range which can be used as naturally tuned sample sets for biotemplating. We used conformal atomic layer deposition of ZnO on the wings of various butterfly species (Arhopala asopia, Hypochrysops polycletus, Morpho sulkowskyi, Polyommatus icarus) possessing structural colour extending from the near UV to the blue wavelength range, to test the effects arising from the nanostructured surfaces and from the presence of different types of PBGs. Aqueous solutions of rhodamine B were used to test the enhancement of photocatalytic activity that was found for all ZnO-coated butterfly wings. The best reaction rate of decomposing rhodamine B when illuminated with visible light was found in 15 nm ZnO coated M. sulkowskyi wing, the reflectance of which had the highest overlap with the absorption band of the dye and had the highest reflectance intensity.
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Affiliation(s)
- Gábor Piszter
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Krisztián Kertész
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Gergely Nagy
- Institute for Energy Security and Environmental Safety, Surface Chemistry and Catalysis Department, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Zsófia Baji
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Zsolt Endre Horváth
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Zsolt Bálint
- Department of Zoology, Hungarian Natural History Museum, 13 Baross St., 1088 Budapest, Hungary
| | - József Sándor Pap
- Institute for Energy Security and Environmental Safety, Surface Chemistry and Catalysis Department, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - László Péter Biró
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
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Piszter G, Kertész K, Nagy G, Baji Z, Endre Horváth Z, Bálint Z, Sándor Pap J, Péter Biró L. Spectral tuning of biotemplated ZnO photonic nanoarchitectures for photocatalytic applications. ROYAL SOCIETY OPEN SCIENCE 2022. [PMID: 35845847 DOI: 10.5061/dryad.w9ghx3fr8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
The photocatalytic activity of a flat surface can be increased by micro- and nanostructuring the interface to increase the area of the contact surface between the photocatalyst and the solute, and moreover, to optimize charge carrier transfer. Further enhancement can be achieved by using photonic nanostructures, which exhibit photonic band gap (PBG). Structurally coloured butterfly wings offer a rich 'library' of PBGs in the visible spectral range which can be used as naturally tuned sample sets for biotemplating. We used conformal atomic layer deposition of ZnO on the wings of various butterfly species (Arhopala asopia, Hypochrysops polycletus, Morpho sulkowskyi, Polyommatus icarus) possessing structural colour extending from the near UV to the blue wavelength range, to test the effects arising from the nanostructured surfaces and from the presence of different types of PBGs. Aqueous solutions of rhodamine B were used to test the enhancement of photocatalytic activity that was found for all ZnO-coated butterfly wings. The best reaction rate of decomposing rhodamine B when illuminated with visible light was found in 15 nm ZnO coated M. sulkowskyi wing, the reflectance of which had the highest overlap with the absorption band of the dye and had the highest reflectance intensity.
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Affiliation(s)
- Gábor Piszter
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Krisztián Kertész
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Gergely Nagy
- Institute for Energy Security and Environmental Safety, Surface Chemistry and Catalysis Department, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Zsófia Baji
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Zsolt Endre Horváth
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - Zsolt Bálint
- Department of Zoology, Hungarian Natural History Museum, 13 Baross St., 1088 Budapest, Hungary
| | - József Sándor Pap
- Institute for Energy Security and Environmental Safety, Surface Chemistry and Catalysis Department, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
| | - László Péter Biró
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 29-33 Konkoly Thege M. St., 1121 Budapest, Hungary
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Atomic Layer Assembly Based on Sacrificial Templates for 3D Nanofabrication. MICROMACHINES 2022; 13:mi13060856. [PMID: 35744470 PMCID: PMC9229614 DOI: 10.3390/mi13060856] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 05/25/2022] [Accepted: 05/26/2022] [Indexed: 02/04/2023]
Abstract
Three-dimensional (3D) nanostructures have attracted widespread attention in physics, chemistry, engineering sciences, and biology devices due to excellent functionalities which planar nanostructures cannot achieve. However, the fabrication of 3D nanostructures is still challenging at present. Reliable fabrication, improved controllability, and multifunction integration are desired for further applications in commercial devices. In this review, a powerful fabrication method to realize 3D nanostructures is introduced and reviewed thoroughly, which is based on atomic layer deposition assisted 3D assembly through various sacrificial templates. The aim of this review is to provide a comprehensive overview of 3D nanofabrication based on atomic layer assembly (ALA) in multifarious sacrificial templates for 3D nanostructures and to present recent advancements, with the ultimate aim to further unlock more potential of this method for nanodevice applications.
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Chen F, Huang Y, Li R, Zhang S, Wang B, Zhang W, Wu X, Jiang Q, Wang F, Zhang R. Bio-inspired structural colors and their applications. Chem Commun (Camb) 2021; 57:13448-13464. [PMID: 34852027 DOI: 10.1039/d1cc04386b] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Structural colors, generated by the interaction of interference, diffraction, and scattering between incident light and periodic nanostructured surfaces with features of the same scale with incident visible light wavelengths, have recently attracted intense interest in a wide range of research fields, due to their advantages such as various brilliant colors, long-term stability and environmental friendliness, low energy consumption, and mysterious biological functions. Tremendous effort has been made to design structural colors and considerable progress has been achieved in the past few decades. However, there are still significant challenges and obstacles, such as durability, portability, compatibility, recyclability, mass production of structural-color materials, etc., that need to be solved by rational structural design and novel manufacturing strategies. In this review, we summarize the recent progress of bio-inspired structural colors and their applications. First, we introduce several typical natural structural colors displayed by living organisms from fundamental optical phenomena, including interference, diffraction grating, scattering, photonic crystals effects, the combination of different phenomena, etc. Subsequently, we review recent progress in bio-inspired artificial structural colors generated from advanced micro/nanoscale manufacturing strategies to relevant biomimetic approaches, including self-assembly, template methods, phase conversion, magnetron sputtering, atomic layer deposition, etc. Besides, we also present the current and potential applications of structural colors in various fields, such as displays, anti-counterfeiting, wearable electronics, stealth, printing, etc. Finally, we discuss the challenges and future development directions of structural colors, aiming to push forward the research and applications of structural-color materials.
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Affiliation(s)
- Fengxiang Chen
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China. .,State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, P. R. China
| | - Ya Huang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Run Li
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Shiliang Zhang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Baoshun Wang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Wenshuo Zhang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Xueke Wu
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Qinyuan Jiang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Fei Wang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Rufan Zhang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
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Abstract
In the last few years, researchers have focused their attention on the synthesis of new catalyst structures based on or inspired by nature. Biotemplating involves the transfer of biological structures to inorganic materials through artificial mineralization processes. This approach offers the main advantage of allowing morphological control of the product, as a template with the desired morphology can be pre-determined, as long as it is found in nature. This way, natural evolution through millions of years can provide us with new synthetic pathways to develop some novel functional materials with advantageous properties, such as sophistication, miniaturization, hybridization, hierarchical organization, resistance, and adaptability to the required need. The field of application of these materials is very wide, covering nanomedicine, energy capture and storage, sensors, biocompatible materials, adsorbents, and catalysis. In the latter case, bio-inspired materials can be applied as catalysts requiring different types of active sites (i.e., redox, acidic, basic sites, or a combination of them) to a wide range of processes, including conventional thermal catalysis, photocatalysis, or electrocatalysis, among others. This review aims to cover current experimental studies in the field of biotemplating materials synthesis and their characterization, focusing on their application in heterogeneous catalysis.
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Bielinski AR, Gayle AJ, Lee S, Dasgupta NP. Geometric Optimization of Bismuth Vanadate Core-Shell Nanowire Photoanodes using Atomic Layer Deposition. ACS APPLIED MATERIALS & INTERFACES 2021; 13:52063-52072. [PMID: 34283562 DOI: 10.1021/acsami.1c09236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In this study, systematic geometric tuning of core-shell nanowire (NW) architectures is used to decouple the contributions from light absorption, charge separation, and charge transfer kinetics in photoelectrochemical water oxidation. Core-shell-shell NW arrays were fabricated using a combination of hydrothermal synthesis of ZnO and atomic layer deposition (ALD) of SnO2 and BiVO4. The length and spacing of the NW scaffold, as well as the BiVO4 film thickness, were systematically tuned to optimize the photoelectrochemical performance. A photocurrent of 4.4 mA/cm2 was measured at 1.23 V vs RHE for sulfite oxidation and 4.0 mA/cm2 at 1.80 V vs RHE for water oxidation without a cocatalyst, which are the highest values reported to date for an ALD-deposited photoanode. Electromagnetic simulations demonstrate that spatial heterogeneity in light absorption along the core-shell NW length has a critical role in determining internal quantum efficiency. The mechanistic understandings in this study highlight the benefits of systematically optimizing electrode geometry at the nanoscale when designing photoelectrodes.
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Affiliation(s)
- Ashley R Bielinski
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Andrew J Gayle
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Sudarat Lee
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Neil P Dasgupta
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
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14
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Chen S, Haehnle B, Van der Laan X, Kuehne AJC, Botiz I, Stavrinou PN, Stingelin N. Understanding hierarchical spheres-in-grating assembly for bio-inspired colouration. MATERIALS HORIZONS 2021; 8:2230-2237. [PMID: 34846427 DOI: 10.1039/d1mh00358e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The vivid iridescent response from particular butterflies is as an excellent example of how micro-engineered hierarchical architectures that combine physical structures and pigmentary inclusions create unique colouration. To date, however, detailed knowledge is missing to replicate such sophisticated structures in a robust, reliable manner. Here, we deliver spheres-in-grating assemblies with colouration effects as found in nature, exploiting embossed polymer gratings and self-assembled light-absorbing micro-spheres.
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Affiliation(s)
- Shengyang Chen
- Department of Materials and Centre of Plastic Electronics, Imperial College London, London SW7 2AZ, UK
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15
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Nagarajan S, Woo EM, Su CH, Yang CE. Microstructural Periodic Arrays in Poly(Butylene Adipate) Featured with Photonic Crystal Aggregates. Macromol Rapid Commun 2021; 42:e2100202. [PMID: 34121268 DOI: 10.1002/marc.202100202] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/07/2021] [Indexed: 12/25/2022]
Abstract
Poly(butylene adipate) (PBA) self-aggregation into unique periodicity correlating to its interfacial photonic properties is probed in detail. Investigations on the unique periodic morphology and top-surface and interior architectures in specifically crystallized PBA are focused on its novel photonic patterns with periodic gratings. Detailed analysis of the interior lamellae from ringless to periodically ordered aggregates (crystallized at 33-35 °C vs. Tc = 30 °C) serves as ideal comparisons. Each interior arc-shape shell is composed of tangential and radial lamellae mutually intersecting at 90o angle. The interior layer thickness in SEM-revealed arc-shape shish-kebab shell is exactly equal to the optical inter-band spacing (≈6 µm). A 3D assembly mechanism of periodically banded PBA crystals is proposed, where the orderly arrays on top surfaces as well as the interior microstructures of strut-rib alternate-layered assembly resemble nature's photonic crystals and collectively account for the interfacial photonic properties in the ring-banded PBA crystal that is novel and has potential applications in future.
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Affiliation(s)
- Selvaraj Nagarajan
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
| | - Eamor M Woo
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
| | - Chi-Hsuan Su
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
| | - Cheng-En Yang
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
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16
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Osotsi MI, Zhang W, Zada I, Gu J, Liu Q, Zhang D. Butterfly wing architectures inspire sensor and energy applications. Natl Sci Rev 2021; 8:nwaa107. [PMID: 34691587 PMCID: PMC8288439 DOI: 10.1093/nsr/nwaa107] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 04/27/2020] [Accepted: 05/08/2020] [Indexed: 12/11/2022] Open
Abstract
Natural biological systems are constantly developing efficient mechanisms to counter adverse effects of increasing human population and depleting energy resources. Their intelligent mechanisms are characterized by the ability to detect changes in the environment, store and evaluate information, and respond to external stimuli. Bio-inspired replication into man-made functional materials guarantees enhancement of characteristics and performance. Specifically, butterfly architectures have inspired the fabrication of sensor and energy materials by replicating their unique micro/nanostructures, light-trapping mechanisms and selective responses to external stimuli. These bio-inspired sensor and energy materials have shown improved performance in harnessing renewable energy, environmental remediation and health monitoring. Therefore, this review highlights recent progress reported on the classification of butterfly wing scale architectures and explores several bio-inspired sensor and energy applications.
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17
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Tran VT, Nguyen HQ, Kim YM, Ok G, Lee J. Photonic-Plasmonic Nanostructures for Solar Energy Utilization and Emerging Biosensors. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2248. [PMID: 33198391 PMCID: PMC7696832 DOI: 10.3390/nano10112248] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/07/2020] [Accepted: 11/11/2020] [Indexed: 11/16/2022]
Abstract
Issues related to global energy and environment as well as health crisis are currently some of the greatest challenges faced by humanity, which compel us to develop new pollution-free and sustainable energy sources, as well as next-generation biodiagnostic solutions. Optical functional nanostructures that manipulate and confine light on a nanometer scale have recently emerged as leading candidates for a wide range of applications in solar energy conversion and biosensing. In this review, recent research progress in the development of photonic and plasmonic nanostructures for various applications in solar energy conversion, such as photovoltaics, photothermal conversion, and photocatalysis, is highlighted. Furthermore, the combination of photonic and plasmonic nanostructures for developing high-efficiency solar energy conversion systems is explored and discussed. We also discuss recent applications of photonic-plasmonic-based biosensors in the rapid management of infectious diseases at point-of-care as well as terahertz biosensing and imaging for improving global health. Finally, we discuss the current challenges and future prospects associated with the existing solar energy conversion and biosensing systems.
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Affiliation(s)
- Van Tan Tran
- Department of Chemistry, Research Institute of Materials Science, Chungnam National University, Daejeon 34134, Korea; (V.T.T.); (H.-Q.N.)
- Faculty of Biotechnology, Chemistry and Environmental Engineering, Phenikaa University, Hanoi 12116, Vietnam
| | - Huu-Quang Nguyen
- Department of Chemistry, Research Institute of Materials Science, Chungnam National University, Daejeon 34134, Korea; (V.T.T.); (H.-Q.N.)
| | - Young-Mi Kim
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon 34134, Korea;
| | - Gyeongsik Ok
- Research Group of Consumer Safety, Korea Food Research Institute (KFRI), Wanju 55365, Korea;
| | - Jaebeom Lee
- Department of Chemistry, Research Institute of Materials Science, Chungnam National University, Daejeon 34134, Korea; (V.T.T.); (H.-Q.N.)
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon 34134, Korea;
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18
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Liu Z, Xu Z, Wang L, Lin J. Distinctive Optical Properties of Hierarchically Ordered Nanostructures Self-Assembled from Multiblock Copolymer/Nanoparticle Mixtures. Macromol Rapid Commun 2020; 41:e2000131. [PMID: 32329165 DOI: 10.1002/marc.202000131] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 04/05/2020] [Indexed: 11/06/2022]
Abstract
Hybrid materials with hierarchical nanostructures are of great interest for their advanced functions. However, the effect of the formation of hierarchical nanostructures on properties is not well understood. Here, through combining dissipative particle dynamics simulation and the finite-difference time-domain method, the optical properties of hierarchically ordered nanostructures formed by mixtures of A(BC)n multiblock copolymers and nanoparticles (NPs) are investigated. A series of hierarchically ordered nanostructures with multiple small-length-scale hybrid domains are obtained from the self-assembly of A(BC)n /NP. An increase and blueshift in optical absorption are observed when the number of small-length-scale hybrid domains increases. The small-length-scale hybrid domains enhance light scattering, which consequently contributes to the improved optical performance. These findings can yield guidelines for designing hierarchically ordered functional nanocomposites with light-harvesting characteristics.
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Affiliation(s)
- Zaojin Liu
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Zhanwen Xu
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Liquan Wang
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Jiaping Lin
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
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19
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Magnabosco G, Papiano I, Aizenberg M, Aizenberg J, Falini G. Beyond biotemplating: multiscale porous inorganic materials with high catalytic efficiency. Chem Commun (Camb) 2020; 56:3389-3392. [DOI: 10.1039/d0cc00651c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Biotemplating makes it possible to prepare materials with complex structures by taking advantage of nature's ability to generate unique morphologies.
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Affiliation(s)
- Giulia Magnabosco
- Department of Chemistry “Giacomo Ciamician”
- University of Bologna
- 40126 Bologna
- Italy
| | - Irene Papiano
- Department of Chemistry “Giacomo Ciamician”
- University of Bologna
- 40126 Bologna
- Italy
| | - Michael Aizenberg
- Wyss Institute for Biologically Inspired Engineering
- Harvard University
- Cambridge
- USA
| | - Joanna Aizenberg
- Wyss Institute for Biologically Inspired Engineering
- Harvard University
- Cambridge
- USA
- John A. Paulson School of Engineering and Applied Sciences
| | - Giuseppe Falini
- Department of Chemistry “Giacomo Ciamician”
- University of Bologna
- 40126 Bologna
- Italy
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20
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Sun L, Cai J, Sun Y, Zhang D. Three-dimensional assembly of silver nanoparticles spatially confined by cellular structure of Spirulina, from nanospheres to nanosheets. NANOTECHNOLOGY 2019; 30:495704. [PMID: 31469089 DOI: 10.1088/1361-6528/ab3ee7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Three-dimensional (3D) ordered construction of nanoparticles (NPs) has attracted much attention in wide applications, however, techniques with respect to cost effective nanofabrication of well defined functional architectures is still lacking. To address this specific issue, a bio-interface confinement approach is proposed that precisely replicates the complex cellular structural features of microbes and integrates silver NP (SNP) building blocks into their 3D framework in a precise, low cost and mass production way. Herein, the SNPs with nanospheres and nanosheets structure were synthesized by way of electroless deposition using Spirulina as template. Results showed that SNPs were orderly assembled along the cellular structure, and the spatially confinement of cellular texture induced the transformation of SNPs from sphere to flake morphology during their continuous growth. The silver assembly not only shows good antibacterial activity, but also exhibits excellent surface enhanced Raman scattering (SERS) performance with the enhancement factor as high as 5.95 × 108 and good recuperability towards Rhodamine 6G. The fascinating SERS performance can be ascribed to the combined action of nanosheets morphology of SNPs, hierarchical nanostructure of the cellular structure, and the small interparticle spacing. This strategy provides an effective strategy for controllable and ordered 3D assembly of NPs by using the cellular texture.
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Affiliation(s)
- Lili Sun
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, People's Republic of China
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21
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Kao PK, VanSaders BJ, Durkin MD, Glotzer SC, Solomon MJ. Anisotropy effects on the kinetics of colloidal crystallization and melting: comparison of spheres and ellipsoids. SOFT MATTER 2019; 15:7479-7489. [PMID: 31513214 DOI: 10.1039/c9sm00887j] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We use alternating current (AC) electric field assisted self-assembly to produce two-dimensional, millimeter scale arrays of ellipsoidal colloids and study the kinetics of their phase reconfiguration by means of confocal microscopy, light scattering, and computer simulation. We find that the kinetics of orientational and positional ordering can be manipulated by changing the shape of the colloids: ellipsoids with aspect ratio 2.0 melt into disordered structures 5.7 times faster compared to spheres. On the other hand, ellipsoids self-assemble into ordered crystals at a similar rate to spheres. Confocal microscopy is used to directly visualize defects in the self-assembled structures. Small-angle light scattering (SALS) quantifies the light diffraction response, which is sensitive to the kinetics of positional and orientational ordering in the self-assembled anisotropic structures. We find three different light diffraction patterns: a phase with high orientational order (with chain-like structure in real space), a phase with high positional and orientational order (characteristic of a close-packed structure), and a phase that is disordered in position but with intermediate orientational order. The large influence of aspect ratio on the kinetics of the positionally and orientationally ordered phase is explored through simulation; it is found that the number of particle degrees of freedom controls the difference between the melting rates of the ellipsoids and spheres. This research contributes to the understanding of reconfiguration kinetics and optical properties of colloidal crystals produced from anisotropic colloids.
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Affiliation(s)
- Peng-Kai Kao
- Department of Chemical Engineering, University of Michigan, North Campus Research Complex, Building 10 - A151, 2800 Plymouth Road, Ann Arbor, Michigan, USA.
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22
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Hasan J, Roy A, Chatterjee K, Yarlagadda PKDV. Mimicking Insect Wings: The Roadmap to Bioinspiration. ACS Biomater Sci Eng 2019; 5:3139-3160. [DOI: 10.1021/acsbiomaterials.9b00217] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Jafar Hasan
- Science and Engineering Faculty, Queensland University of Technology, 2 George Street, Brisbane, QLD 4001, Australia
| | - Anindo Roy
- Department of Materials Engineering, Indian Institute of Science, C. V. Raman Avenue, Bangalore 560 012, India
| | - Kaushik Chatterjee
- Department of Materials Engineering, Indian Institute of Science, C. V. Raman Avenue, Bangalore 560 012, India
| | - Prasad K. D. V. Yarlagadda
- Science and Engineering Faculty, Queensland University of Technology, 2 George Street, Brisbane, QLD 4001, Australia
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23
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Zhou L, He J, Li W, He P, Ye Q, Fu B, Tao P, Song C, Wu J, Deng T, Shang W. Butterfly Wing Hears Sound: Acoustic Detection Using Biophotonic Nanostructure. NANO LETTERS 2019; 19:2627-2633. [PMID: 30884236 DOI: 10.1021/acs.nanolett.9b00468] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The biophotonic nanostructures of Morpho butterfly wing display iridescent colors through the combined effect of light diffraction and interference. These nanostructures have attracted wide attention due to their high optical sensitivity and deformable material properties and have been applied to various infrared (IR), volatile organic compound (VOC), and pH sensors. This work explores the application of such biophotonic nanostructures of butterfly wing for acoustic detection and voice recognition. The pressure variation of the acoustic waves induces the vibration of butterfly wing diaphragm, resulting in the periodic change of reflectance. The integrated butterfly wing-based acoustic sensor shows high fidelity in replicating the original acoustic signals. The sensor also demonstrates promise in distinguishing human voices, which provides an alternative approach for voice recognition.
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Affiliation(s)
- Lingye Zhou
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dong Chuan Road , Shanghai 200240 , P. R. China
| | - Jiaqing He
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dong Chuan Road , Shanghai 200240 , P. R. China
| | - Wenzhuo Li
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dong Chuan Road , Shanghai 200240 , P. R. China
| | - Peisheng He
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dong Chuan Road , Shanghai 200240 , P. R. China
| | - Qinxian Ye
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dong Chuan Road , Shanghai 200240 , P. R. China
| | - Benwei Fu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dong Chuan Road , Shanghai 200240 , P. R. China
| | - Peng Tao
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dong Chuan Road , Shanghai 200240 , P. R. China
| | - Chengyi Song
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dong Chuan Road , Shanghai 200240 , P. R. China
| | - Jianbo Wu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dong Chuan Road , Shanghai 200240 , P. R. China
| | - Tao Deng
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dong Chuan Road , Shanghai 200240 , P. R. China
| | - Wen Shang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dong Chuan Road , Shanghai 200240 , P. R. China
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Zheng K, Zou Q, Yang Y, Mao Y, Zhang J, Cheng J. The Chromogen, Structure, Inspirations, and Applications of a Photo-, pH-, thermal-, Solvent-, and Mechanical-Response Epoxy Resin. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b02772] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Kaiwen Zheng
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology), Ministry of Education, Beijing 100029, People’s Republic of China
| | - Qi Zou
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology), Ministry of Education, Beijing 100029, People’s Republic of China
| | - Yacheng Yang
- School of Economics and Management, Tsinghua University, Beijing 100084, People’s Republic of China
| | - Yingzhu Mao
- China Architecture Design & Research Group, Beijing 100044, People’s Republic of China
| | - Junying Zhang
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology), Ministry of Education, Beijing 100029, People’s Republic of China
| | - Jue Cheng
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology), Ministry of Education, Beijing 100029, People’s Republic of China
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25
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Effect of Gelation on the Colloidal Deposition of Cellulose Nanocrystal Films. Biomacromolecules 2018; 19:3233-3243. [DOI: 10.1021/acs.biomac.8b00493] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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26
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Ahmed R, Ji X, Atta RH, Rifat AA, Butt H. Morpho butterfly-inspired optical diffraction, diffusion, and bio-chemical sensing. RSC Adv 2018; 8:27111-27118. [PMID: 35540021 PMCID: PMC9083500 DOI: 10.1039/c8ra04382e] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 07/17/2018] [Indexed: 11/21/2022] Open
Abstract
Morpho-butterfly is well-known for the blue colouration in its tiny wing scales and finds applications in colour filters, anti-reflecting coatings and optical devices. Herein, the structural optical properties of the Morpho peleides-butterfly wing scales were examined through light reflection, diffraction and optical diffusion. The light diffraction property from wing scales was investigated through experiments and computation modelling. Broadband reflection variation was observed from different parts of the dorsal wings at broadband light illumination due to tiny structural variations, as verified by electronic microscopic images. The periodic nanostructures showed well-defined first-order diffraction through monochromatic (red, green and blue) and broadband light at normal illumination. Polyvinyl alcohol (PVA) embedded with Morpho peleides-butterfly wing scales acts as an optical diffuser to produce soft light. Light diffraction and diffusion properties were measured by angle-resolve experiments, followed by computational modelling. The maximum optical diffusion property at ∼185° from the wing scales was observed using broadband light at normal illumination. Finally, Morpho peleides-butterfly based submicron nanostructures were utilized to demonstrate bio-inspired chemical sensing. Morpho butterfly-inspired structures were used as optical devices (diffraction, diffusion, etc.). Their optical performance were modelled and studied, revealing their potential for real-life bio-sensing applications.![]()
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Affiliation(s)
- Rajib Ahmed
- Nanotechnology Laboratory
- School of Engineering
- University of Birmingham
- Birmingham B15 2TT
- UK
| | - Xiaochao Ji
- School of Metallurgy and Materials
- University of Birmingham
- Birmingham B15 2TT
- UK
| | - Raghied M. H. Atta
- Electrical Engineering Department
- Engineering College
- Taibah University
- Madinah
- Saudi Arabia
| | - Ahmmed A. Rifat
- Nonlinear Physics Centre
- Research School of Physics and Engineering
- The Australian National University
- Acton
- Australia
| | - Haider Butt
- Nanotechnology Laboratory
- School of Engineering
- University of Birmingham
- Birmingham B15 2TT
- UK
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